Introduction
Thank you for choosing the Cecotec EnergySilence Clima 9050 Portable Air Conditioner. This manual provides important information regarding the safe operation, installation, maintenance, and troubleshooting of your appliance. Please read it thoroughly before use and keep it for future reference.
The Cecotec EnergySilence Clima 9050 is a versatile 3-in-1 unit, offering cooling, ventilation, and dehumidification functions to ensure optimal comfort in your home. It features 2270 refrigerators (9000 BTU) and an airflow of 350 m³/h, suitable for rooms up to 25 m².
Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons.
- Read all instructions before using the appliance.
- Ensure the power supply matches the voltage specified on the rating label.
- Do not operate the unit with a damaged cord or plug.
- Do not insert fingers or foreign objects into the air inlet or outlet.
- Keep the appliance away from heat sources and direct sunlight.
- Always place the unit on a flat, stable surface.
- Unplug the appliance before cleaning or servicing.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
Product Overview
The Cecotec EnergySilence Clima 9050 is a compact and efficient portable air conditioner designed for ease of use and optimal performance. It combines cooling, fan, and dehumidifier functions in one unit.

Figure 1: Front view of the Cecotec EnergySilence Clima 9050 portable air conditioner, showing its sleek black and silver design with the included remote control.
Key Features:
- 3-in-1 Functionality: Cooling, Ventilation, and Dehumidification.
- High Airflow: Up to 350 m³/h for rapid and uniform cooling.
- Cooling Capacity: 2270 refrigerators / 9000 BTU, suitable for rooms up to 25 m².
- Energy Efficiency Class A: Consumes less energy than conventional air conditioners.
- Smart Remote Control: For convenient operation.
- Sleep Mode: Specially designed for quiet operation during rest periods.
- 2 Fan Speeds: To adjust intensity.
- 24-Hour Timer: For programmable operation.
- SaveWater System: Reuses and self-evaporates water to improve efficiency and save energy.
- Low Noise Level: Below 65 dB for enhanced comfort.
Included Components:
- Portable Air Conditioner Unit
- Remote Control
- Instruction Manual
- Exhaust Hose and Window Kit (standard for portable ACs, implied by images)
Setup and Installation
1. Unpacking and Placement
- Carefully remove the air conditioner from its packaging.
- Place the unit on a firm, level surface, ensuring there is at least 30 cm (12 inches) of space around the unit for proper airflow.
- Avoid placing the unit in direct sunlight or near heat sources.
- Ensure the unit is near a window or opening for the exhaust hose.

Figure 2: The portable air conditioner positioned in a room, demonstrating appropriate clearance from walls and furniture for optimal performance.
2. Exhaust Hose Installation
The exhaust hose expels hot air from the room. Proper installation is crucial for efficient cooling.
- Attach one end of the exhaust hose to the air outlet on the back of the unit.
- Attach the window kit adapter to the other end of the exhaust hose.
- Open a window and install the window sealing plate. Adjust the plate to fit the window opening.
- Insert the window kit adapter into the opening of the window sealing plate.
- Ensure the hose is as short and straight as possible to maximize efficiency. Avoid sharp bends.

Figure 3: The portable air conditioner with its exhaust hose extended and connected to a window, illustrating a typical setup for expelling hot air.
3. Power Connection
- Plug the power cord into a grounded electrical outlet.
- Do not use extension cords or multi-sockets.
Operating Instructions
Control Panel
The control panel is located on the top of the unit and features a digital display and touch-sensitive buttons for various functions.

Figure 4: Detailed view of the top control panel, showing the digital temperature display and various function buttons such as ON/OFF, Mode, Sleep, Fan Speed, and Timer.
Remote Control
The included remote control allows for convenient operation from a distance.

Figure 5: A hand operating the remote control, which mirrors the functions available on the unit's control panel.
Functions and Modes:
- Power (ON/OFF): Press to turn the unit on or off.
- Mode: Cycle through Cooling, Fan, and Dehumidification modes.
- Cooling Mode: The unit cools the room. Set your desired temperature using the UP/DOWN buttons.
- Fan Mode: The unit circulates air without cooling. Adjust fan speed (HIGH/LOW).
- Dehumidification Mode: The unit removes moisture from the air. The fan speed is fixed in this mode.
- Fan Speed (HIGH/LOW): Adjust the fan speed in Cooling and Fan modes.
- Timer: Set the unit to turn on or off automatically after a set period (1-24 hours).
- Sleep Mode: Activates a quieter operation mode, gradually increasing the temperature slightly over time for comfortable sleep.
- Temperature Adjustment (UP/DOWN): Adjust the desired temperature in Cooling mode.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air conditioner. Always unplug the unit before performing any maintenance.
1. Cleaning the Air Filter
The air filter should be cleaned every two weeks, or more frequently if the unit is used often or in dusty environments.
- Turn off and unplug the air conditioner.
- Locate the air filter (usually at the back or side of the unit).
- Remove the filter carefully.
- Wash the filter with lukewarm water and a mild detergent. Rinse thoroughly.
- Allow the filter to air dry completely before reinstalling it. Do not expose to direct sunlight.
2. Draining Water (if necessary)
The Cecotec EnergySilence Clima 9050 features a SaveWater system that reuses and self-evaporates condensed water. However, in high humidity conditions, the internal water tank may fill up, and the unit will stop operating. In such cases, you will need to drain the water manually.
- Turn off and unplug the air conditioner.
- Place a shallow pan or tray under the drain port (usually located at the bottom rear of the unit).
- Remove the drain plug/cap.
- Allow all water to drain out.
- Replace the drain plug/cap securely.
3. Cleaning the Unit Exterior
- Wipe the exterior with a soft, damp cloth.
- Do not use harsh chemicals, abrasives, or solvents.
4. Storage
If storing the unit for an extended period:
- Ensure the unit is completely drained of water.
- Clean the air filter.
- Unplug the power cord and coil it neatly.
- Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
Before contacting customer service, please refer to the following table for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power supply; Power cord not plugged in; Fuse blown; Water tank full. | Check power outlet; Plug in power cord securely; Check household fuse/circuit breaker; Drain water tank. |
| Unit cools insufficiently. | Windows/doors open; Room too large; Air filter dirty; Exhaust hose blocked or bent; Temperature setting too high. | Close windows/doors; Ensure room size is within unit capacity; Clean air filter; Check and straighten exhaust hose; Lower temperature setting. |
| Unit is noisy. | Unit not on a level surface; Fan obstruction. | Place unit on a flat, stable surface; Check for any obstructions in the fan area. |
| Water leaks from the unit. | Drain plug not securely closed; Unit tilted. | Ensure drain plug is tightly closed; Place unit on a level surface. |
| Remote control not working. | Batteries dead; Obstruction between remote and unit. | Replace batteries; Remove any obstructions. |
Specifications
Technical specifications for the Cecotec EnergySilence Clima 9050 Portable Air Conditioner.
| Feature | Detail |
|---|---|
| Brand | Cecotec |
| Model Number | 05251 |
| Product Dimensions (L x W x H) | 38.2 x 40 x 87.5 cm |
| Weight | 25.8 kg |
| Cooling Capacity | 9000 BTU (2270 refrigerators) |
| Airflow | 350 m³/h |
| Energy Efficiency Class | A |
| Annual Energy Consumption | 1 Watt-hours (Note: This value seems unusually low and might be a typo in the source data. Typically, annual consumption for AC units is much higher.) |
| Voltage | 220 Volts |
| Power | 1010 Watts |
| Special Feature | Dehumidifier, SaveWater System |
| Color | Black/Grey |
| Material | Plastic |
| Noise Level | Below 65 dB |
| Refrigerant Type | (Not specified in provided data) |
Warranty and Support
Warranty Information
Cecotec products are manufactured to the highest quality standards. This product comes with a standard manufacturer's warranty. Please refer to the warranty card included in your packaging for specific terms and conditions.
Spare parts availability is indicated for 10 years from the date of purchase, ensuring long-term support for your appliance.
Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Cecotec customer service. Contact details can typically be found on the official Cecotec website or on your product's packaging.
Before contacting support, please have your model number (05251) and purchase date ready.





